🔒 Runs in your browser – nothing is uploaded
Remove Duplicate Lines
Remove Duplicate Lines: free, fast and private. Works in your browser, nothing is uploaded, no sign-up needed.
How to use
Paste a list and remove duplicate lines in one click. Ignore upper and lower case, trim extra spaces, drop empty lines, sort A to Z or Z to A, and reverse the order. It is handy for email lists, keyword lists, logs and data cleanup.
- Paste or type your input.
- Choose the options you need.
- Copy or download the result.
More tools
Frequently asked questions
Does it keep the original order?
Yes, unless you choose a sorting option. The first occurrence of each line is kept.
Can I ignore case?
Yes. Enable Ignore case so Apple and apple count as the same line.
Is it free?
Yes. All tools are free, with no sign-up and no limits.
Is my text uploaded?
No. Everything runs locally in your browser, so your text stays private.
Does it work on mobile?
Yes. It works in any modern mobile or desktop browser.